摘要： 提出了一种新闻视频中的字幕探测方法,该方法主要针对新闻视频中的编辑字幕(如标题字幕)进行探测,包括灰度变换、边缘检测、字幕区域探测、字幕区域合并与过滤以及二值化等步骤。该算法具有简单、高效,对阈值的设定不敏感等特点,对大多数新闻视频中的字幕都具有较好的效果。

关键词: 新闻视频, 字幕探测, 边缘检测, 视频检索

Abstract: A caption detection method for news video is proposed in this paper, this method mainly aims at editing captions in news video, such as titles. There are several steps in the method, including gray transformation, edge detection, caption area detection, merging and filtering, etc. It is simple, effective and insensitive to threshold. Experiments show it is effective to most news videoes.

中图分类号: 

• TP391.4